Cybersicherheit2025-MHohl

Cybersicherheit: Die meisten Unternehmen ignorieren Anmeldepflicht beim BSI 6. März 2026
Nur wenige Firmen aus dem Bereich kritische Infrastruktur haben ihre Cybersicherheits-Pflichten bislang erfüllt. Nun drohen Bußgelder. (BSI, Datenschutz)
Datenschutz: FBI gelangt an Zahlungsdaten von Protonmail 6. März 2026
Durch Rechtshilfeabkommen können persönliche Daten auch aus der Schweiz an Strafverfolgungsbehörden in den USA gelangen. (Protonmail, Datenschutz)
Kein Geld fürs Gericht: Millionenfach genutzter illegaler Streamingdienst gibt auf 6. März 2026
Der Betreiber von P-Stream kann sich nach eigenen Angaben keinen Gerichtsprozess leisten. Daher nimmt er seinen Streamingdienst vom Netz. (Streaming, Urheberrecht)
Cyberangriffe auf Unternehmen: Mehrere gefährliche Cisco-Lücken unter Beschuss 6. März 2026
Drei im Februar offengelegte Sicherheitslücken in Cisco-Netzverwaltungssoftware werden attackiert - unter anderem dank lokal gespeicherter Zugangsdaten. (Sicherheitslücke, API)
Cyberangriff: Das FBI hat offenbar Hacker im Netzwerk 6. März 2026
Beim FBI ist offenbar ein System zur Verwaltung von Überwachungsmaßnahmen kompromittiert worden. Die Behörde untersucht verdächtige Aktivitäten. (Cybercrime, Cyberwar)
IT-Sicherheit: Jedes zweite Unternehmen unterschätzt NIS-2-Pflichten 6. März 2026
Eine Studie von Schwarz Digits zeigt massive Wissenslücken bei NIS 2. Besonders kleine Firmen wiegen sich in falscher Sicherheit. (Nis 2, Sicherheitslücke)
Anzeige: Pentesting - typische Schwachstellen aufspüren 6. März 2026
Penetration Testing für Webanwendungen gehört zu den zentralen Bausteinen moderner IT-Sicherheitsarbeit. Ein strukturierter, praxisnaher Ansatz hilft, typische Schwachstellen reproduzierbar zu erkennen und zu beheben. (Golem Karrierewelt, Server-Applikationen)

2026-002: Multiple Vulnerabilities in Cisco Products 26. Februar 2026
On 25 February 2026, Cisco released security advisories addressing multiple high and critical severity vulnerabilities in Cisco Catalyst SD-WAN controllers and Cisco SD-WAN Manager. If exploited, these vulnerabilities could allow attackers to gain administrative access to compromised systems. It is recommended to capture forensic evidence, hunt for indicators of compromise, and apply updates as soon […]
2026-001: Critical vulnerabilities in Ivanti EPMM 30. Januar 2026
On 29 January 2026, Ivanti released a security advisory addressing two critical vulnerabilities in their EPMM products. An attacker could exploit those flaws to achieve unauthenticated remote code execution on the vulnerable device. One of these vulnerabilities have been exploited in a limited number of cases.
2025-042: Critical Vulnerability in Cisco Secure Email and Web Manager 18. Dezember 2025
On December 17, 2025, Cisco released a security advisory for a critical vulnerability affecting Cisco Secure Email Gateway and Cisco Secure Email and Web Manager products. It is recommended to follow Cisco's recommendations to check whether vulnerable appliances have been compromised, and to remediate the issue. There is no patch available for this vulnerability yet.
2025-041: Critical Security Vulnerability in React Server Components 4. Dezember 2025
On December 3, 2025, the React Team publicly disclosed a critical security vulnerability affecting React Server Components (RSC) and related packages. The vulnerability allows for unauthenticated remote code execution (RCE) via maliciously crafted HTTP requests. It is recommended to update all affected component packages and any frameworks that integrate them.
2025-040: Critical Vulnerability in Windows Server Update Service (WSUS) 24. Oktober 2025
On October 23, 2025, Microsoft released an out-of-band update to address a critical vulnerability in Windows Server Update Service (WSUS). This vulnerability could allow a remote unauthenticated attacker to execute code on the targeted systems. A proof-of-concept is publicly available for this vulnerability. It is recommended to update as soon as possible.
2025-039: High Severity Vulnerability in FortiOS 15. Oktober 2025
On October 14, 2025, Fortinet released a security advisory addressing a high severity vulnerability in its FortiOS product. It is recommended updating affected products.
2025-038: Critical Vulnerabilities in Veeam Backup 15. Oktober 2025
On October 14, 2025, Veeam released a security advisory addressing multiple vulnerabilities including 2 critical in its Veeam Backup product. CERT-EU recommends updating affected software as soon as possible and following Veeam implementation best practices.
2025-037: Multiple Vulnerabilities in F5 Products 15. Oktober 2025
On October 15, 2025, F5 disclosed that a sophisticated nation-state actor breached its systems and maintained long-term persistent access into F5's infrastructure. This included access to BIG-IP product development source code and to information related to security vulnerabilities that had not yet been disclosed nor patched. F5 released patches on the same day to address […]
2025-036: Critical Vulnerabilities in Cisco ASA and FTD 26. September 2025
On September 25, 2025, Cisco released several security advisories addressing 3 vulnerabilities, 2 of which are critical. Cisco warns that some of those vulnerabilities are exploited in the wild and assesses with high confidence that this new activity is related to the same threat actor as the ArcaneDoor attack campaign that Cisco reported in early […]
2025-035: High Vulnerability in Cisco IOS and IOS XE Software 26. September 2025
On September 24, 2025, Cisco released a security advisory regarding a high severity vulnerability in the Simple Network Management Protocol (SNMP) subsystem of Cisco IOS Software and Cisco IOS XE Software. The vulnerability is being exploited in the wild. It is recommended updating as soon as possible and conduct a compromise assessment on devices that […]